Statistics and Probability · Probability
Test the birthday paradox
Calculate and test the chance that two people in a group share a birthday.
- Easy
- 1–3 hours
- Free
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Psychology · Experiments
Test the Stroop effect
Time how long people take to name ink colours when the word says a different colour.
- Easy
- 2–7 days
- Free
Behavioural Economics · Experiments
Run the ultimatum game with classmates
Let proposers split ten tokens and responders accept or reject, and compare the results with theory.
- Intermediate
- 2–7 days
- Free
Statistics and Probability · Probability
Estimate pi by dropping needles
Drop sticks on ruled paper, count how many cross a line and get an estimate of pi.
- Easy
- 1–3 hours
- Free
Psychology · Social Psychology
Investigate conformity with a classroom task
Test whether people change an estimate after seeing what others answered, with a full debrief.
- Intermediate
- 1–2 weeks
- Free
Behavioural Economics + Psychology
Test the anchoring effect on price estimates
Show two groups a high or low number first and compare their estimates of an unrelated price.
- Intermediate
- 2–7 days
- Free
Biology + Sports and Exercise Science
Measure how exercise changes pulse rate and recovery
Record pulse before, during and after exercise for several volunteers and compare recovery times.
- Easy
- 1 day
- Free
Psychology · Cognitive Psychology
Measure the limits of short-term memory
Find how many digits people can repeat and whether grouping them helps.
- Easy
- 2–7 days
- Free
Behavioural and Cognitive Science · Attention
Test how multitasking affects performance
Compare how fast and accurately people do a simple task alone and while answering messages.
- Easy
- 2–7 days
- Free
Behavioural and Cognitive Science + Graphic and UI/UX Design
Test the usability of two apps or websites
Give five users the same three tasks on two competing apps and record time, errors and comments.
- Intermediate
- 1–2 weeks
- Free
Physics · Waves
Measure the speed of sound with two phones
Use two phones with an acoustic stopwatch app to time a clap over a known distance.
- Easy
- 1–3 hours
- Free
Behavioural and Cognitive Science + Teaching and Learning
Compare study techniques with a memory test
Test whether self-quizzing beats rereading for remembering a passage a week later.
- Intermediate
- 1–2 weeks
- Free
Teaching and Learning · Lesson Experiments
Compare two ways of teaching the same lesson
Teach one topic by lecture to one group and by activity to another, and compare a quiz.
- Intermediate
- 1–2 weeks
- Free
Astronomy and Space + Pure Mathematics
Measure the Earth's circumference like Eratosthenes
Measure a stick's shadow at local noon in two cities and calculate the size of the Earth.
- Intermediate
- 1 day
- Free
Sports and Exercise Science · Performance Analysis
Compare warm-up routines and sprint times
Time 50 m sprints after no warm-up, jogging and dynamic stretching.
- Easy
- 1–2 weeks
- Free
Applied Mathematics + Behavioural Economics
Analyse a simple game with game theory
Play repeated prisoner's dilemma with classmates and compare what they do with the theory.
- Intermediate
- 2–7 days
- Free
History · Archaeology
Study the archaeology of everyday rubbish
Analyse a bag of clean household waste as an archaeologist would and infer how the household lives.
- Easy
- 2–7 days
- Free
Communication · Interpersonal
Study how rumours change as they spread
Pass a short story along a chain of ten people and track what is lost, added and changed.
- Easy
- 1 day
- Free
Languages and Linguistics + Teaching and Learning
Test which method helps you learn vocabulary fastest
Learn three sets of new words by rereading, flashcards and spaced recall, and compare what you remember.
- Easy
- 1–2 weeks
- Free
Behavioural and Cognitive Science + Teaching and Learning
Test whether handwriting or typing helps note recall
Have two groups take notes on the same video by hand or by typing and test them later.
- Intermediate
- 1–2 weeks
- Free
Nutrition and Food · Diet Studies
Investigate hydration and concentration
Compare attention test scores on days when volunteers drink water during class and days when they do not.
- Intermediate
- 1–2 weeks
- Free
Cybersecurity · Digital Forensics
Recover deleted files from a test drive
Delete files on a spare USB drive, image it and see what can be recovered and why.
- Intermediate
- 2–7 days
- Free
Biology + Psychology
Test whether music or silence helps short-term memory
Give volunteers word lists to memorise in silence, with instrumental music and with songs, and compare recall.
- Easy
- 2–7 days
- Free
Behavioural and Cognitive Science + Biology
Measure reaction time and what affects it
Use the ruler-drop test to compare reaction times between hands, ages and times of day.
- Beginner
- 1 day
- Free
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